Signalv4ImplSerious.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef __SIGNALV4IMPLSERIOUS__
#define __SIGNALV4IMPLSERIOUS__

#ifndef __SIGNALV4__
#error "This is an internal implementation header. You are not allowed to include it directly!"
#endif

#include "ConnectionHandler.hxx"

namespace SigSlot
{

template < typename ParmType1, typename ParmType2, typename ParmType3, typename ParmType4 >
        class Signalv4 : public Signal
{
public:
        typedef typename CBL::Functor4<ParmType1,ParmType2, ParmType3,ParmType4>              tCallbackType;

public:
        
        virtual ~Signalv4()
        {
                mSuper.DestroyConnections();
        }

        void Connect( Slotv4<ParmType1, ParmType2, ParmType3, ParmType4>& slot )
        {
                Connection c( AssignConnection(), this );

                mSuper.AddCallback( c.GetID(), &slot, slot.GetMethod() );

                slot.Bind(c);
        }
        
        void Emit( ParmType1 parm1, ParmType2 parm2, ParmType3 parm3, ParmType4 parm4 )
        {
                if ( mSuper.HasNoCallbacks() )
                        return;
                
                typename tSuperType::tCallList calls = mSuper.GetCalls();
                typename tSuperType::tCallIterator i = calls.begin();
                typename tSuperType::tCallIterator end = calls.end();

                while ( i != end )
                        {
                                (*(*i))( parm1, parm2, parm3, parm4 );
                                i++;
                        }
                
        }

        void FreeConnection( Connection* pConnection )
        {
                mSuper.RemoveCall( pConnection->GetID() );
                FreeConnectionId( pConnection->GetID() );
        }
private:
        typedef Signalv4<ParmType1,ParmType2,ParmType3, ParmType4> tSignalType;
        typedef ConnectionHandler<tSignalType >     tSuperType;

        tSuperType  mSuper;
};

}


#endif // Signalv2ImplSerious.hxx